Research methods in the social sciences / 
editors, Bridget Somekh and Cathy Lewin 
 - London :  Sage Pub.,  2005 
 - 368 p. :  ill. ;  26 cm 
<br/><br/><label>ISBN: </label>076194401X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research<br/>Social sciences--Methodology